#region References
using Server.Network;
using System;
#endregion

namespace Server.Spells.Chivalry
{
    public abstract class PaladinSpell : Spell
    {
        public PaladinSpell(Mobile caster, Item scroll, SpellInfo info)
            : base(caster, scroll, info)
        { }

        public abstract double RequiredSkill { get; }
        public abstract int RequiredMana { get; }
        public abstract int RequiredTithing { get; }
        public abstract int MantraNumber { get; }
        public override SkillName CastSkill => SkillName.Chivalry;
        public override SkillName DamageSkill => SkillName.Chivalry;
        public override bool ClearHandsOnCast => false;
        public override int CastRecoveryBase => 7;

        public static int ComputePowerValue(Mobile from, int div)
        {
            if (from == null)
            {
                return 0;
            }

            int v = (int)Math.Sqrt(from.Karma + 20000 + (from.Skills.Chivalry.Fixed * 10));

            return v / div;
        }

        public override bool CheckCast()
        {
            int mana = ScaleMana(RequiredMana);

            if (!base.CheckCast())
            {
                return false;
            }

            if (Caster.Player && Caster.TithingPoints < RequiredTithing)
            {
                Caster.SendLocalizedMessage(1060173, RequiredTithing.ToString());
                // You must have at least ~1_TITHE_REQUIREMENT~ Tithing Points to use this ability,
                return false;
            }
            else if (Caster.Mana < mana)
            {
                Caster.SendLocalizedMessage(1060174, mana.ToString());
                // You must have at least ~1_MANA_REQUIREMENT~ Mana to use this ability.
                return false;
            }

            return true;
        }

        public override bool CheckFizzle()
        {
            int requiredTithing = Caster.Player ? RequiredTithing : 0;

            if (AosAttributes.GetValue(Caster, AosAttribute.LowerRegCost) > Utility.Random(100))
            {
                requiredTithing = 0;
            }

            int mana = ScaleMana(RequiredMana);

            if (Caster.TithingPoints < requiredTithing)
            {
                Caster.SendLocalizedMessage(1060173, RequiredTithing.ToString());
                // You must have at least ~1_TITHE_REQUIREMENT~ Tithing Points to use this ability,
                return false;
            }
            else if (Caster.Mana < mana)
            {
                Caster.SendLocalizedMessage(1060174, mana.ToString());
                // You must have at least ~1_MANA_REQUIREMENT~ Mana to use this ability.
                return false;
            }

            Caster.TithingPoints -= requiredTithing;

            if (!base.CheckFizzle())
            {
                return false;
            }

            Caster.Mana -= mana;

            return true;
        }

        public override void SayMantra()
        {
            if (Caster.Player)
                Caster.PublicOverheadMessage(MessageType.Regular, 0x3B2, MantraNumber, "", false);
        }

        public override void DoFizzle()
        {
            Caster.PlaySound(0x1D6);
            Caster.NextSpellTime = Core.TickCount;
        }

        public override void DoHurtFizzle()
        {
            Caster.PlaySound(0x1D6);
        }

        public override bool CheckDisturb(DisturbType type, bool firstCircle, bool resistable)
        {
            // Cannot disturb Chivalry spells
            return false;
        }

        public override void SendCastEffect()
        {
            if (Caster.Player)
                Caster.FixedEffect(0x37C4, 87, (int)(GetCastDelay().TotalSeconds * 28), 4, 3);
        }

        public override void GetCastSkills(out double min, out double max)
        {
            min = RequiredSkill;
            max = RequiredSkill + 50.0;
        }

        public override int GetMana()
        {
            return 0;
        }

        public int ComputePowerValue(int div)
        {
            return ComputePowerValue(Caster, div);
        }
    }
}
